AI代码解释 JNIEXPORTvoidJava_com_Activity_testEnv(JNIEnv*env,jobject obj){g_obj=env->NewGlobalRef(obj);} 我们平时可能都见过这种代码,Java层定义了Native的testEnv方法,在Native层就有一个相应的方法与之对应,同时带有JNIEnv*和jobject的参数(在static的native方法中会是jclass类型的参数),但是如果这种代码呢?
public static IntPtr NewGlobalRef(IntPtr jobject); Parameters jobject IntPtr Returns IntPtr Remarks Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License. ...
public static IntPtr NewGlobalRef (IntPtr jobject); Parameters jobject IntPtr Returns IntPtr Remarks Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License....
publicstaticIntPtrNewGlobalRef(IntPtr jobject); Parameters jobject IntPtr Returns IntPtr Remarks Portions of this page are modifications based on work created and shared by theAndroid Open Source Projectand used according to terms described in theCreative Commons 2.5 Attribution ...
JNIEXPORTvoidJava_com_Activity_testEnv(JNIEnv*env,jobject obj){g_obj=env->NewGlobalRef(obj);} 我们平时可能都见过这种代码,Java层定义了Native的testEnv方法,在Native层就有一个相应的方法与之对应,同时带有JNIEnv*和jobject的参数(在static的native方法中会是jclass类型的参数),但是如果这种代码呢?
public static IntPtr NewGlobalRef (IntPtr jobject); Parameters jobject IntPtr Returns IntPtr Remarks Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License....
g_obj = env->NewGlobalRef(obj); } 1. 2. 3. 我们平时可能都见过这种代码,Java层定义了Native的testEnv方法,在Native层就有一个相应的方法与之对应,同时带有JNIEnv*和jobject的参数(在static的native方法中会是jclass类型的参数),但是如果这种代码呢?
env->GetJavaVM(&gs_jvm);//保存到全局变量中JVM//直接赋值obj到DLL中的全局变量是不行的,应该调用以下函数:gs_object=env->NewGlobalRef(obj); HANDLE ht=CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)ThreadFun,0,NULL,NULL); } 3在线程函数中 引用: (保证线程函数 对应 env 和class) ...
1JNIEXPORTvoidJNICALL Java_com_lipeng_NativeCallJava_setClsRef(JNIEnv*env, jobject thiz)23{45if(g_ObjCall ==NULL)6{78g_ObjCall = env->NewGlobalRef(thiz);//获取全局引用910if(g_ObjCall ==NULL)1112{1314ALOGD("get g_ObjCall == NULL)");1516}1718if(thiz !=NULL)19{2021env->DeleteLo...
faceRecogCallbackJobj=env->NewGlobalRef(callbackObj); // 复制env到lambda的捕获列表中 autocaptureEnv=[env](constintid,constchar*userId,constchar*userName){ jstring jUserId=env->NewStringUTF(userId); jstring jUserName=env->NewStringUTF(userName); ...